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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Common board functions for siemens based boards
* (C) Copyright 2022 Siemens Schweiz AG
*/
#ifndef __COMMON_BOARD_H
#define __COMMON_BOARD_H
/*
* Chip data
* Offset in EEPROM: 0x120 - 0x14F
*
* -----------------------------------------------------------------------------------
* | Address range | Content |
* -----------------------------------------------------------------------------------
* | 0x120 - 0x123 | Magic Number - 0x43484950 (4 byte) |
* -----------------------------------------------------------------------------------
* | 0x124 - 0x133 | Device Nomenclature (15 + 1 byte) |
* -----------------------------------------------------------------------------------
* | 0x134 - 0x13A | HW Version of the form "v00.00" (6 + 1 byte) |
* | | - First 2 digits: Layout revision (starting from 1) |
* | | - Last 2 digits: Assembly variant revision (starting from 1) |
* -----------------------------------------------------------------------------------
* | 0x13B - 0x13F | Flash Size in Gibit (4 + 1 byte) |
* -----------------------------------------------------------------------------------
* | 0x140 - 0x144 | Ram Size in Gibit (4 + 1 byte) |
* -----------------------------------------------------------------------------------
* | 0x145 - 0x14F | Sequence number, equals DMC-code (10 + 1 byte) [OBSOLETE] |
* -----------------------------------------------------------------------------------
*/
#define MAGIC_CHIP 0x50494843
#define EEPROM_CHIP_OFFSET 0x120
struct chip_data {
unsigned int magic;
char sdevname[16];
char shwver[7];
char flash_size[5];
char ram_size[5];
};
#endif /* __COMMON_BOARD_H */
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